Home / 115,149.28-172,774.16-40,323.13

Finding the Fourth Proportional to 115,149.28, 172,774.16 and 40,323.13

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Solution

The fourth proportional to 115,149.28, 172,774.16 and 40,323.13 is: 60,502.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,149.28 : 172,774.16 = 40,323.13 : x
  2. Step 2: Convert to fraction form
    115,149.28/172,774.16 = 40,323.13/x
  3. Step 3: Cross multiply
    115,149.28x = 172,774.16 × 40,323.13
  4. Step 4: Simplify right side
    115,149.28x = 6,966,794,914.32
  5. Step 5: Solve for x
    x = 6,966,794,914.32/115,149.28
  6. Step 6: Final answer
    x = 60,502.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.